From: Luiz Capitulino <lcapitulino@redhat.com>
To: fweisbec@gmail.com
Cc: linux-kernel@vger.kernel.org, cmetcalf@ezchip.com
Subject: [PATCH 3/3] sched: add_nr_running(): drop tick_nohz_full_cpu() check
Date: Thu, 10 Sep 2015 15:58:27 -0400 [thread overview]
Message-ID: <1441915107-2000-4-git-send-email-lcapitulino@redhat.com> (raw)
In-Reply-To: <1441915107-2000-1-git-send-email-lcapitulino@redhat.com>
tick_nohz_full_kick_cpu() performs the same check.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
---
kernel/sched/sched.h | 20 +++++++++-----------
1 file changed, 9 insertions(+), 11 deletions(-)
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 68cda11..102eb18 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1323,17 +1323,15 @@ static inline void add_nr_running(struct rq *rq, unsigned count)
#endif
#ifdef CONFIG_NO_HZ_FULL
- if (tick_nohz_full_cpu(rq->cpu)) {
- /*
- * Tick is needed if more than one task runs on a CPU.
- * Send the target an IPI to kick it out of nohz mode.
- *
- * We assume that IPI implies full memory barrier and the
- * new value of rq->nr_running is visible on reception
- * from the target.
- */
- tick_nohz_full_kick_cpu(rq->cpu);
- }
+ /*
+ * Tick is needed if more than one task runs on a CPU.
+ * Send the target an IPI to kick it out of nohz mode.
+ *
+ * We assume that IPI implies full memory barrier and the
+ * new value of rq->nr_running is visible on reception
+ * from the target.
+ */
+ tick_nohz_full_kick_cpu(rq->cpu);
#endif
}
}
--
2.1.0
next prev parent reply other threads:[~2015-09-10 19:58 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-10 19:58 [PATCH 0/3] nohz: minor cleanups Luiz Capitulino
2015-09-10 19:58 ` [PATCH 1/3] nohz: mark tick_nohz_full_running as __read_mostly Luiz Capitulino
2015-09-10 19:58 ` [PATCH 2/3] nohz: mark tick_nohz_init_all() as __init Luiz Capitulino
2015-09-24 14:33 ` Frederic Weisbecker
2015-09-10 19:58 ` Luiz Capitulino [this message]
2015-09-24 14:44 ` [PATCH 3/3] sched: add_nr_running(): drop tick_nohz_full_cpu() check Frederic Weisbecker
2015-09-24 14:54 ` Luiz Capitulino
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